1988 3
1987 3
1986 12
1986 3
1986 1
1985 10
1983 6
1982 4
1982 6
1981 9
1980 9
1980 10
1979 9
1978 8
1977 10
1976 18
1976 10
1975 6
1974 5
1974 10
1972 7
1971 11
1970 4